package com.xyd.Servlet;

import com.xyd.Service.ProductService;
import com.xyd.bean.Product;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

@WebServlet("/ProductViewServlet")
public class ProductViewServlet extends HttpServlet {

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String id = request.getParameter("id");
        int pid = 0;
        if (id != null) {
            pid = Integer.parseInt(id);

            ProductService productService = new ProductService();
            Product product = productService.getProductById(pid);

            HttpSession session = request.getSession();
            session.setAttribute("product", product);

            response.sendRedirect("/product-view.jsp");
        } else {
            request.getRequestDispatcher("/product-list.jsp").forward(request, response);
        }
    }

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }
}
